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Ceramic Cement & Feedthroughs
A72
Scientific Instrument Services, Inc.
™
Phone: 908-788-5550
www.sisweb.com/catalog/08/A72
S
auereisen Electrotemp Ceramic is an excellent ceramic in
applications where high electrical insulation is required and
high thermal conductance is desired, as in heater elements.
Coating a heater element with Sauereisen Ceramic allows you to
electrically insulate the heater coils from shorting out while allowing
excellent heat conductance. Other applications include mass spec
probes, filaments, repair of ceramic pieces and some ceramic to
metal joining.
Application / Curing
Sauereisen No. 8 is supplied in powder form and need only be
mixed with water to apply. It may be applied by mechanical
dispenser. In some applications it may be desirable to grind the
powder with a mortar and pestle to minimize grain size for smoother,
thinner layers.
Dry powder should be thoroughly remixed in the container to
overcome any segregation. Weigh out 100 parts dry cement and 13
parts water. Add water to the powder all at once while mixing. Do
not add water gradually. Continue stirring, until a creamy mortar-like
consistency is obtained. Minimum amount of water should be used
as excess water reduces mechanical strength, increases shrinkage
and delays set time.
No. 8 hardens at room temperature or by baking. The initial set
begins in approximately one to two hours and the cement continues
to increase in hardness until thoroughly dried.
Drying time depends upon the amount of water used and the
application thickness. Normally, overnight drying is sufficient. Low
temperature oven drying - up to 180°F - can be used to accelerate
the cure.
Caution
No. 8 may be a mild skin and eye irritant - care should be exer-
cised in its use. Avoid contact with skin and eyes. Eye protection
and rubber gloves are recommended when handling this product.
Sauereisen Ceramic is supplied in a convenient 4 oz. jar which
will provide insulation for many mass spectrometer heater coils,
filaments and probes.
A Superior Electrical Insulation for Heaters,
Elements and Furnaces
Physical Properties of Sauereisen
Coefficient of thermal expansion
2.6 x 10-6 in/in/°F
(4.68 x 10-6 cm/cm°C)
Color
Off white
Compressive strength
4500-5500 psi (316 kg/cm2)
Density
160 pcf (2.56 gm/cm3)
Dielectric constant
3.0-4.0
Dielectric strength -
at 70°F (21°C)
76.0 to 101.5 Volts/mil (2900 to 3900 Volts/mm)
at 750°F (398°C)
25.0 to 38.0 Volts/mil (980 to 1490 Volts/mm)
at 1475°F (801°C)
12.5 to 25.0 Volts/mil (490 to 980 Volts/mm)
Maximum service temperature
2600°F (1426°C)
Modulus of rupture
450 psi (31 kg/cm2)
Tensile strength
250 psi (17 kg/cm2)
Thermal conductivity
10-12 Btu•in/ft2•hr•°F
(3.4-4.1 x 10-3 Cal•cm/cm2•sec•°C)
Volume resistivity
at 70°F (21°C)
1010-1011 ohm-cm
at 750°F (398°C)
109-1010 ohm-cm
at 1475°F (801°C)
108-109 ohm-cm
•
Provides maximum electrical
resistance
•
Heat conductive and thermal
shock resistant
•
Excellent bonding properties
•
Chemical set
•
Easy to mix and apply
•
Ideal for potting applications
•
Odorless
BNC Connector
Feedthrough
A
B
Pin Connector
Feedthrough, Large
C
TSQ® 70
Feedthrough
D
10 Pin Electrical Feedthrough
Ceramic Feedthroughs
Sauereisen Ceramic Cement
Part No.
Description
SCC8 Part #SCC8--Click to order
Current Price: $12.00
Unit of Measure: EA
Est. Ship Weight=0.25 lbs
Quantity in Stock=14
Sauereisen Ceramic
4 oz. jar
SCC8-50
Sauereisen Ceramic
1 Gal. Container
Part No.
Description
B52301 Part #B52301--Click to order
Current Price: $70.00
Unit of Measure: EA
Est. Ship Weight=3 lbs
Quantity in Stock=10
BNC Feedthrough
Part No.
Description
B5232 Part #B5232--Click to order
Current Price: $245.00
Unit of Measure: EA
Est. Ship Weight=3 lbs
Not in stock. Standard lead time for out-of-stock items is approximately two weeks.
Pin Feedthrough, large
Part No.
Description
B01373 Part #B01373--Click to order
Current Price: $65.00
Unit of Measure: EA
Est. Ship Weight=3 lbs
Not in stock. Standard lead time for out-of-stock items is approximately two weeks.
Feedthrough for TSQ70 Ion Gauge
Part No.
Description
B08751 Part #B08751--Click to order
Current Price: $450.00
Unit of Measure: EA
Est. Ship Weight=3 lbs
Not in stock. Standard lead time for out-of-stock items is approximately two weeks.
10 Pin Feedthrough
Related information may be found on the following pages of our web site:
PageParts
Finnigan Flange and Feedthru RepairB01373, B08751, B52301, B5232
Vacuum electrical feedthrus, pg F63B01373, B08751, B52301, B5232
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